To discover the benefits and beauties of language, take a vow of silence. Go without language for a while. Learn the benefits and beauties of silence, and also the impulses to speech. Then you will understand how to use language well.
To practice using language well, be aware of what you want to say before you speak. Then ask yourself "Is it true? Is it kind? Is it necessary?" about what you want to say. Only speak of the answer to all three is yes!